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Multi-agent reinforcement learning (MARL) has recently received considerable attention due to its applicability to a wide range of real-world applications. However, achieving efficient communication among agents has always been an…

Machine Learning · Computer Science 2019-11-04 Sai Qian Zhang , Qi Zhang , Jieyu Lin

Recent advancements in AI-driven conversational agents have exhibited immense potential of AI applications. Effective response generation is crucial to the success of these agents. While extensive research has focused on leveraging multiple…

Computation and Language · Computer Science 2025-03-26 Junfeng Liu , Christopher T. Symons , Ranga Raju Vatsavai

In recent years, large language models have shown exceptional performance in fulfilling diverse human needs. However, their training data can introduce harmful content, underscoring the necessity for robust value alignment. Mainstream…

Artificial Intelligence · Computer Science 2024-12-19 Rui Zou , Mengqi Wei , Jintian Feng , Qian Wan , Jianwen Sun , Sannyuya Liu

Multi-agent mapping is a fundamentally important capability for autonomous robot task coordination and execution in complex environments. While successful algorithms have been proposed for mapping using individual platforms, cooperative…

Robotics · Computer Science 2021-10-14 James Di , Ehsan Zobeidi , Alec Koppel , Nikolay Atanasov

A challenge in reinforcement learning (RL) is minimizing the cost of sampling associated with exploration. Distributed exploration reduces sampling complexity in multi-agent RL (MARL). We investigate the benefits to performance in MARL when…

Machine Learning · Computer Science 2022-05-03 Justin Lidard , Udari Madhushani , Naomi Ehrich Leonard

Efficient communication can enhance the overall performance of collaborative multi-agent reinforcement learning. A common approach is to share observations through full communication, leading to significant communication overhead. Existing…

Artificial Intelligence · Computer Science 2024-12-11 Dongkun Huo , Huateng Zhang , Yixue Hao , Yuanlin Ye , Long Hu , Rui Wang , Min Chen

Information exchange in multi-agent systems improves the cooperation among agents, especially in partially observable settings. In the real world, communication is often carried out over imperfect channels. This requires agents to handle…

Multiagent Systems · Computer Science 2023-11-28 Jannis Weil , Gizem Ekinci , Heinz Koeppl , Tobias Meuser

We study stochastic multi-agent systems in which agents must cooperate to maximize the probability of achieving a common reach-avoid objective. In many applications, during the execution of the system, the communication between the agents…

Multiagent Systems · Computer Science 2025-05-20 Saleh Soudijani , Rayna Dimitrova

We propose a self-triggered control algorithm to reduce onboard processor usage, communication bandwidth, and energy consumption across a linear time-invariant networked control system. We formulate an optimal control problem by penalizing…

Systems and Control · Computer Science 2018-12-24 MirSaleh Bahavarnia , Hossein K. Mousavi , Nader Motee

In this paper, a semantic communication framework for image transmission is developed. In the investigated framework, a set of servers cooperatively transmit images to a set of users utilizing semantic communication techniques. To evaluate…

Artificial Intelligence · Computer Science 2023-01-03 Wenjing Zhang , Yining Wang , Mingzhe Chen , Tao Luo , Dusit Niyato

An important aspect in jointly analysing networked control systems and their communication is to model the networking in a sufficiently rich but at the same time mathematically tractable way. As such, this paper improves on a recently…

Systems and Control · Electrical Eng. & Systems 2024-02-21 Christian Hespe , Herbert Werner

Communication is a key component in multi-agent reinforcement learning (MARL) for mitigating partial observability, yet prior approaches often rely on inefficient information exchange or fail to transmit sufficient state information. To…

Artificial Intelligence · Computer Science 2026-05-19 Sangjun Bae , Yisak Park , Sanghyeon Lee , Seungyul Han

We consider the issue of multiple agents learning to communicate through reinforcement learning within partially observable environments, with a focus on information asymmetry in the second part of our work. We provide a review of the…

Machine Learning · Computer Science 2019-11-14 Mohamed Salah Zaïem , Etienne Bennequin

We propose efficient and low-complexity multiuser detection (MUD) algorithms for Gaussian multiple access channel (G-MAC) for short-packet transmission in massive machine type communications. To do so, we first formulate the G-MAC MUD…

Information Theory · Computer Science 2024-03-26 Mostafa Mohammadkarimi , Masoud Ardakani

We consider the estimation of a signal from the knowledge of its noisy linear random Gaussian projections. A few examples where this problem is relevant are compressed sensing, sparse superposition codes, and code division multiple access.…

Information Theory · Computer Science 2020-08-31 Jean Barbier , Nicolas Macris , Mohamad Dia , Florent Krzakala

Learning when to communicate and doing that effectively is essential in multi-agent tasks. Recent works show that continuous communication allows efficient training with back-propagation in multi-agent scenarios, but have been restricted to…

Machine Learning · Computer Science 2018-12-27 Amanpreet Singh , Tushar Jain , Sainbayar Sukhbaatar

Multi-agent systems (MAS) solve complex problems through coordinated autonomous entities with individual decision-making capabilities. While Multi-Agent Reinforcement Learning (MARL) enables these agents to learn intelligent strategies, it…

Multiagent Systems · Computer Science 2025-10-10 Xinren Zhang , Sixi Cheng , Zixin Zhong , Jiadong Yu

Learned communication makes multi-agent systems more effective by aggregating distributed information. However, it also exposes individual agents to the threat of erroneous messages they might receive. In this paper, we study the setting…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Nicholas Vadivelu , Mengye Ren , James Tu , Jingkang Wang , Raquel Urtasun

In a cooperative multiagent system, a collection of agents executes a joint policy in order to achieve some common objective. The successful deployment of such systems hinges on the availability of reliable inter-agent communication.…

Multiagent Systems · Computer Science 2022-01-19 Mustafa O. Karabag , Cyrus Neary , Ufuk Topcu

Broadband frequency-selective fading channels usually have the inherent sparse nature. By exploiting the sparsity, adaptive sparse channel estimation (ASCE) methods, e.g., reweighted L1-norm least mean square (RL1-LMS), could bring a…

Information Theory · Computer Science 2015-03-04 Tingping Zhang , Jingpei Dan , Guan Gui